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Synthesis, Structure, and Magnetic Characteristics of Mesoporous Fe2O3–SiO2 Composites

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In this paper, we examine processes for producing mesoporous Fe2O3–SiO2 silica-matrix composites with different fractions of ferric oxide and demonstrate the effect of the synthesis procedure on the structure, textural characteristics, particle size, and magnetic properties of the materials. We assess the thermal stability of the composites. A ferric-oxide-rich material (Fe : Si = 0.6 : 1) prepared by hydrothermal synthesis (THS) exhibits ferrimagnetic properties after high-temperature holding (t = 1000°C) for 3 h.

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Authors and Affiliations

  1. Institute of Technical Chemistry, Ural Branch, Russian Academy of Sciences, ul. Akademika Koroleva 3, 614013, Perm, Russia

    N. B. Kondrashova, S. N. Lysenko, V. A. Valtsifer & V. N. Strelnikov

  2. Institute of Continuous Media Mechanics, Ural Branch, Russian Academy of Sciences, ul. Akademika Koroleva 1, 620013, Perm, Russia

    A. I. Lebedev

Authors
  1. N. B. Kondrashova
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  2. A. I. Lebedev
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  3. S. N. Lysenko
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  4. V. A. Valtsifer
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  5. V. N. Strelnikov
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Correspondence to N. B. Kondrashova.

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Translated by O. Tsarev

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Kondrashova, N.B., Lebedev, A.I., Lysenko, S.N. et al. Synthesis, Structure, and Magnetic Characteristics of Mesoporous Fe2O3–SiO2 Composites. Inorg Mater 55, 673–680 (2019). https://doi.org/10.1134/S0020168519060062

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  • DOI: https://doi.org/10.1134/S0020168519060062

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